Home / 14,009.05-20,961.69-11,227.31

Finding the Fourth Proportional to 14,009.05, 20,961.69 and 11,227.31

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Solution

The fourth proportional to 14,009.05, 20,961.69 and 11,227.31 is: 16,799.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.05 : 20,961.69 = 11,227.31 : x
  2. Step 2: Convert to fraction form
    14,009.05/20,961.69 = 11,227.31/x
  3. Step 3: Cross multiply
    14,009.05x = 20,961.69 × 11,227.31
  4. Step 4: Simplify right side
    14,009.05x = 235,343,323.45
  5. Step 5: Solve for x
    x = 235,343,323.45/14,009.05
  6. Step 6: Final answer
    x = 16,799.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.